Improvement in shoulder-supporters



" No. 47,836. PATEN'TED MAY 28, 1865..

J. w. KIMBALL & J. MAHADY.

' SHOULDER SUPPORTER.

Inventor.

.J. w. KIMBALL, FOE BOSTON,-

Middlesex,

\ UNITED STATES PATENT OFFICE.

IMPROVEMENT .IN SHOULDER-SUPIBORTER'S.

AND JOHN Marianin'or CAMBRIDGE,- MA-s t sAoHUsETTs.

Specification forming part of Letters Patent No. 17,836. dated May 23,1865. I

To all whom it may concern Be itknown that we. J. W. KIMBALL, of Boston,in the county of Sufi'olk, alld'JOHN MAHADY, of Cambridge,

all of the State of Massachusetts, have invented an ImprovedShoulder-Support; and we do hereby declare that the following, taken inconnection with the drawing which accompanies and'forms part of thissiecification, is a description of our invention suificient to enablethose skilled in the art to practice it.

It is well known that theconstant use of s wing-machines tends toproduce bodily disa wt rtion and local ailments from the disposi t on ofthe upper part of the body to bender swing forward-- in correspondencewith the pressure of the foot upon thesewing-machine treadle. Y

The object of ouriuventionis to counteract the'eft'rct of this forwaidmovement and inclination of the body by affording a means of resistanceto the same, which we accomplish by attaching to or around the shouldersstraps oribraces which are united behind and cmnected by another strapto the back of the c'iair, these straps being so applied and con :1 madto the chair as to hold or sustain the body in as erect a. position asis comfortable;

in the county of with an easy use of t-he machine. The same or a similardevice may be employed for preventing a stooping or'leaning tendency inthe ders and connected toa chair or any other suitable fixturein suchmanner as to maintam ortend to maintain the erectncss of the bodyand'the squareness of the shoulders.

Such an apparatus is shown in the drawing, which is a view of a personsitting ata sewlng-machine and harnessed to the chair,

the arm or shoulder straps a. being united at,

the back and connected by astrap, b, to the chair, as will-be readilyunderstood.

We claiin A combination of attaching-strap, substantially as and for thepurposedescribed.

In witness whereof we have-hereunto set our hands this25th day of March,A. D1865.

. J. W. KIMBALL.

Witnesses;

J. B. UnosnY, F. GOULD.

shoulder-straps with an

